replacing a bag is easy. Getting to it is the hard part: jack the axle up, take the dual wheels off. There is only 2 nuts on the top and 2 on the bottom. If they give you any aggravation, cut them off with an angle grinder, sawsall or torch. Install the new one and reconnect the air line. I would not replace them all, unless they look old and cracked.

Nick, i replaced all of my bags on my 5A a couple of years ago while healing up from a dislocated shoulder. Mine have a bunch of bolts, (something like 14-16 i think ) on both the top and bottom. I had to be careful of how i moved around so i didn't hurt myself some more, but even with that the job wasn't bad.

Rare, but it happens. Air springs are built from steel cords like a tire. More often they are somehow cut, so make sure the axle is not walking around or a foriegn object hasn't sliced it. I don't remember a wall failure ever, usually they rust out at the bottom and don't hold air any longer.

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"Ammo Warrior" Keepers Of The Peace, Creators Of Destruction.Gold is the money of Kings, Silver is the money of Gentlemen, Barter is the money of Peasants, Debt is the money of Slaves.

The best I can figure out, would be that you would need the first (12G-1-60 or 12K-1-45 is for TMC # 6322 and MCI # 41812). I am no pro, but here is my thinking. The last five of your vin (that MCI uses), is 07462. I would think that would mean that it is a TMC number, since the MCI would probably have a 4 in stead of the 0. Then that part number that was listed, was the highest set of vin #'s that was closest to yours.

So that would lead me to believe that it was the (12G-1-60 or 12K-1-45 is for TMC # 6322 and MCI # 41812). I would be more confidant if it was a standard 4XXXX. However, since it is a 0XXXX, that would lead me to believe that it would be the TMC (which I don't even know that that stands for).

There were some bolts that were hard to see so to remove them ( they were rusty and did not think that I should be messing with them ) I used a mirror to locate them and then I used a dremel tool with the reinforced wheel to go right down the center of the bolt.

Once the cut gets started it is easy enough to finish up and each half of the nut falls off.

Good luck

Melbo

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If it won't go FORCE it ---- if it breaks it needed to be replaced anywayAlbuquerque, NM MC8 L10 Cummins ZF

Before you order your bags…is your air box is sounded for few more years before leaking due to the rusting or corroding being in process?

I suggest to spend your hard earn money on something that will ride better as well not to worry about the air box leaking anytime in the future or it may already has the plates installed, which mean it is already leaking. Plate in-between double billow air bag will cause harsh ride.Rolling lobe is the better replacement for soft ride like all newer MCI’s and most trucks. It fewer bolts and easier to replace for the next time plus no more slow leaks from the seals as it gets older.

Mohawk has the kits.

Sojourn for Christ, Gerald

BTW...your tags already has the rolling lobe to see how it made.

« Last Edit: September 07, 2009, 05:31:08 AM by Sojourner »

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http://dalesdesigns.net/names.htmPs 28 Blessed be the LORD, because he hath heard the voice of my supplications. The LORD is my strength and my shield; my heart trusted in him, and I am helped: therefore my heart greatly rejoiceth; and with my song will I praise him

Call MCI about the serial number. I was just at the MCI facility in Orlando and the parts guy looked up my 1988, 102a3 serial number in their data base and there it was.

When MCI puts all those different part numbers, I now know which fits my specific bus.

Hope this helps,

Paul

I believe your MCI 102a3 already OEM with the rolling lobes.

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http://dalesdesigns.net/names.htmPs 28 Blessed be the LORD, because he hath heard the voice of my supplications. The LORD is my strength and my shield; my heart trusted in him, and I am helped: therefore my heart greatly rejoiceth; and with my song will I praise him

I was assuming Nick's "C" model coach has the rolling lobe bags that mount top and bottom with 2 studs that are part of the bag assembly. Because the "D" bus of the hockey team's is that way. No air beams or rings, or having to plate, like the older models. So maybe I was wrong (happens to me lots), and I am sorry for not checking the facts. Changing old style bags is still not rocket surgery, it take a little longer.